Base | Representation |
---|---|
bin | 101001011001000101… |
… | …101011100010100000 |
3 | 11020201101212002221100 |
4 | 221121011223202200 |
5 | 1212010222143430 |
6 | 32230100154400 |
7 | 3132241415325 |
oct | 513105534240 |
9 | 136641762840 |
10 | 44444334240 |
11 | 17937739149 |
12 | 8744398a00 |
13 | 4263a68b37 |
14 | 2218946b4c |
15 | 1251c7b960 |
hex | a5916b8a0 |
44444334240 has 72 divisors (see below), whose sum is σ = 151666295508. Its totient is φ = 11851822080.
The previous prime is 44444334173. The next prime is 44444334283. The reversal of 44444334240 is 4243344444.
44444334240 is a `hidden beast` number, since 4 + 44 + 44 + 334 + 240 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 44306882064 + 137452176 = 210492^2 + 11724^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 44444334195 and 44444334204.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15430621 + ... + 15433500.
Almost surely, 244444334240 is an apocalyptic number.
44444334240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
44444334240 is an abundant number, since it is smaller than the sum of its proper divisors (107221961268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44444334240 is a wasteful number, since it uses less digits than its factorization.
44444334240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30864142 (or 30864131 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 36.
Adding to 44444334240 its reverse (4243344444), we get a palindrome (48687678684).
The spelling of 44444334240 in words is "forty-four billion, four hundred forty-four million, three hundred thirty-four thousand, two hundred forty".
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